Zimbra Collaboration 8.8.12 Patch 4 GA Release

Check out the Fixed Issues for this version of Zimbra Collaboration. Please refer the Patch Installation section for Patch Installation instructions. As always, you are encouraged to tell us what you think in the Forums or open a support ticket to report issues.

Software changes

Fixed Issues

OWASP related fixes which impact the inline and attached images in an email.

After the upgrade, when replying to a mail with a signature containing an image, this image is no longer being added as an attachment every 10-20 seconds

The images contained in an email print fine, are now visible and no longer appear broken.

Inline & signature images now do not appear as attachment on replying and forwarding of an email.

Creating a signature through ZCO does not insert extra linebreaks within a signature.

Fixed issues with HTML Mail rendering.

Known Issues

In order to prevent XSS attacks hence providing better security, new defanger implementation eliminates the display attribute from html emails, the rendering of such html messages on Webclient will be affected. Here are the known rendering impacts: